320244354993 has 8 divisors (see below), whose sum is σ = 429820238656. Its totient is φ = 212082354000.

The previous prime is 320244354973. The next prime is 320244355051. The reversal of 320244354993 is 399453442023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320244354993 - 2⁶ = 320244354929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320244354943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353470138 + ... + 353471043.

It is an arithmetic number, because the mean of its divisors is an integer number (53727529832).

Almost surely, 2^320244354993 is an apocalyptic number.

It is an amenable number.

320244354993 is a deficient number, since it is larger than the sum of its proper divisors (109575883663).

320244354993 is a wasteful number, since it uses less digits than its factorization.

320244354993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706941335.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 320244354993 in words is "three hundred twenty billion, two hundred forty-four million, three hundred fifty-four thousand, nine hundred ninety-three".